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Independent steering driving wheel for all-around autonomous mobile platform

A technology of autonomous movement and independent steering, applied in electric steering mechanism, power device, motion deposition, etc., can solve the problems of insufficient compactness and flexibility, poor stability, high noise, etc., to achieve compact and beautiful structure, enhance stability, and avoid line entangled effect

Inactive Publication Date: 2018-11-30
BEIJING UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The independent steering drive wheels of the prior art generally have defects such as high noise, poor stability, and not small and flexible enough. Although they can meet the basic requirements, due to their volume and structural defects, they are not suitable for use in hospitals that require stability and safety. Places with high noise requirements

Method used

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  • Independent steering driving wheel for all-around autonomous mobile platform

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Experimental program
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Effect test

Embodiment 1

[0014] see figure 1 , figure 2 , the present invention is designed to serve the independent steering drive wheel of the all-round autonomous mobile platform, including a traveling mechanism 1, a shock absorbing mechanism 2, and a force supporting mechanism 3.

[0015] Wherein the traveling mechanism 1 is a wheel hub motor 101; the shock absorbing mechanism 2 is a spring 201; composition;.

[0016] The composition relationship of each part is as follows: two springs 201 are fixed on both sides of the in-wheel motor 101 through screw connection. Both sides of the flange 301 are provided with screw holes, and the springs 201 on both sides are fixed on the flange 301 through screw connections. Four screw holes are opened on the flange to fix the steering shaft 302, so that the steering shaft 302 can tightly control the rotation of the steering wheel. The bull's-eye wheel 303 on the steering shaft is close to the inner surface of the arc-shaped groove at the bottom of the cyli...

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Abstract

An independent steering driving wheel for an all-round autonomous mobile platform belongs to the technical field of driving wheels. The driving wheel comprises a traveling mechanism, a damping mechanism, a stress supporting mechanism and a steering mechanism. The traveling mechanism is driven by a hub motor to travel, and a rubber tire of the hub motor used in the platform has a remarkable effectin stability improvement and noise reduction. The damping mechanism adopts a double spring structure to ensure that wheels are in the same plane and also plays a certain supporting role, so that the all-around mobile platform can overcome the uneven road surface and maintain the stability of an independent steering wheel during compression and movement. The stress supporting mechanism is used forsupporting the platform through the driving wheel and is composed of the hub motor, springs, a cylindrical tray, a tray cover, a steering shaft and a universal wheel. The steering mechanism is used for horizontal steering of the driving wheel and comprises a steering shaft, an angular contact bearing, a universal wheel and a steering motor. The steering mechanism enables each wheel to achieve positive and negative 90-degree rotation to achieve the all-around purpose.

Description

technical field [0001] The present invention is based on an all-round autonomous mobile platform, and is practically applied to independent steering driving wheels of medical automatic wheelchair beds. The independent steering drive wheel has the characteristics of flexibility, compactness, omnidirectional rotation, light weight, etc., is suitable for an omnidirectional mobile platform with high requirements on complex space and maneuverability, and belongs to the technical field of drive wheels. Background technique [0002] The independent steering drive wheel is an important part of the omnidirectional mobile platform and the power device of the omnidirectional mobile platform. It has the functions of traveling, steering, shock absorption and load bearing. The independent steering drive wheels can move freely in all directions without turning radius, and are applied to platforms with high requirements for omnidirectional movement, such as fully automatic wheelchair beds,...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B60K7/00B62D5/04
CPCB60K7/0007B62D5/04
Inventor 贾松敏李家豪李秀智
Owner BEIJING UNIV OF TECH
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